Subtract 15/80 from 9/15, Solve 9/15

Subtract 15/80 from 9/15

9/15 - 15/80 is 33/80.

Find the least common denominator or LCM of the two denominators:
LCM of 15 and 80 is 240

Next, find the equivalent fraction of both fractional numbers with denominator 240
For the 1st fraction, since 15 × 16 = 240,
9/15 = 9 × 16/15 × 16 = 144/240
Likewise, for the 2nd fraction, since 80 × 3 = 240,
15/80 = 15 × 3/80 × 3 = 45/240
Subtract the two like fractions:
144/240 - 45/240 = 144 - 45/240 = 99/240
After reducing the fraction, the answer is 33/80

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